grf_nubus.c revision 1.39
1 /* $NetBSD: grf_nubus.c,v 1.39 1998/01/12 19:22:06 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Allen Briggs. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Allen Briggs. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 /* 32 * Device-specific routines for handling Nubus-based video cards. 33 */ 34 35 #include <sys/param.h> 36 37 #include <sys/device.h> 38 #include <sys/ioctl.h> 39 #include <sys/file.h> 40 #include <sys/malloc.h> 41 #include <sys/mman.h> 42 #include <sys/proc.h> 43 #include <sys/systm.h> 44 45 #include <machine/bus.h> 46 #include <machine/cpu.h> 47 #include <machine/grfioctl.h> 48 #include <machine/viareg.h> 49 50 #include <mac68k/dev/nubus.h> 51 #include <mac68k/dev/grfvar.h> 52 53 static void load_image_data __P((caddr_t data, struct image_data *image)); 54 55 static void grfmv_intr_generic_write1 __P((void *vsc, int slot)); 56 static void grfmv_intr_generic_write4 __P((void *vsc, int slot)); 57 static void grfmv_intr_generic_or4 __P((void *vsc, int slot)); 58 59 static void grfmv_intr_cb264 __P((void *vsc, int slot)); 60 static void grfmv_intr_cb364 __P((void *vsc, int slot)); 61 static void grfmv_intr_cmax __P((void *vsc, int slot)); 62 static void grfmv_intr_cti __P((void *vsc, int slot)); 63 static void grfmv_intr_radius __P((void *vsc, int slot)); 64 static void grfmv_intr_supermacgfx __P((void *vsc, int slot)); 65 static void grfmv_intr_lapis __P((void *vsc, int slot)); 66 67 static int grfmv_mode __P((struct grf_softc *gp, int cmd, void *arg)); 68 static caddr_t grfmv_phys __P((struct grf_softc *gp)); 69 static int grfmv_match __P((struct device *, struct cfdata *, void *)); 70 static void grfmv_attach __P((struct device *, struct device *, void *)); 71 72 struct cfattach macvid_ca = { 73 sizeof(struct grfbus_softc), grfmv_match, grfmv_attach 74 }; 75 76 static void 77 load_image_data(data, image) 78 caddr_t data; 79 struct image_data *image; 80 { 81 bcopy(data , &image->size, 4); 82 bcopy(data + 4, &image->offset, 4); 83 bcopy(data + 8, &image->rowbytes, 2); 84 bcopy(data + 10, &image->top, 2); 85 bcopy(data + 12, &image->left, 2); 86 bcopy(data + 14, &image->bottom, 2); 87 bcopy(data + 16, &image->right, 2); 88 bcopy(data + 18, &image->version, 2); 89 bcopy(data + 20, &image->packType, 2); 90 bcopy(data + 22, &image->packSize, 4); 91 bcopy(data + 26, &image->hRes, 4); 92 bcopy(data + 30, &image->vRes, 4); 93 bcopy(data + 34, &image->pixelType, 2); 94 bcopy(data + 36, &image->pixelSize, 2); 95 bcopy(data + 38, &image->cmpCount, 2); 96 bcopy(data + 40, &image->cmpSize, 2); 97 bcopy(data + 42, &image->planeBytes, 4); 98 } 99 100 101 static int 102 grfmv_match(parent, cf, aux) 103 struct device *parent; 104 struct cfdata *cf; 105 void *aux; 106 { 107 struct nubus_attach_args *na = (struct nubus_attach_args *)aux; 108 109 if (na->category != NUBUS_CATEGORY_DISPLAY) 110 return 0; 111 112 if (na->type != NUBUS_TYPE_VIDEO) 113 return 0; 114 115 if (na->drsw != NUBUS_DRSW_APPLE) 116 return 0; 117 118 /* 119 * If we've gotten this far, then we're dealing with a real-live 120 * Apple QuickDraw-compatible display card resource. Now, how to 121 * determine that this is an active resource??? Dunno. But we'll 122 * proceed like it is. 123 */ 124 125 return 1; 126 } 127 128 static void 129 grfmv_attach(parent, self, aux) 130 struct device *parent, *self; 131 void *aux; 132 { 133 struct grfbus_softc *sc = (struct grfbus_softc *)self; 134 struct nubus_attach_args *na = (struct nubus_attach_args *)aux; 135 struct image_data image_store, image; 136 struct grfmode *gm; 137 char cardname[CARD_NAME_LEN]; 138 nubus_dirent dirent; 139 nubus_dir dir, mode_dir; 140 int mode; 141 142 sc->sc_tag = na->na_tag; 143 sc->card_id = na->drhw; 144 145 bcopy(na->fmt, &sc->sc_slot, sizeof(nubus_slot)); 146 147 if (bus_space_map(sc->sc_tag, 148 NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &sc->sc_handle)) { 149 printf(": grfmv_attach: failed to map slot %d\n", na->slot); 150 return; 151 } 152 153 nubus_get_main_dir(&sc->sc_slot, &dir); 154 155 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 156 &sc->sc_slot, &dir, na->rsrcid, &dirent) <= 0) { 157 bad: 158 bus_space_unmap(sc->sc_tag, sc->sc_handle, NBMEMSIZE); 159 return; 160 } 161 162 nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &sc->board_dir); 163 164 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 165 &sc->sc_slot, &sc->board_dir, NUBUS_RSRC_TYPE, &dirent) <= 0) 166 if ((na->rsrcid != 128) || 167 (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 168 &sc->sc_slot, &dir, 129, &dirent) <= 0)) 169 goto bad; 170 171 mode = NUBUS_RSRC_FIRSTMODE; 172 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 173 &sc->sc_slot, &sc->board_dir, mode, &dirent) <= 0) { 174 printf(": probe failed to get board rsrc.\n"); 175 goto bad; 176 } 177 178 nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &mode_dir); 179 180 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 181 &sc->sc_slot, &mode_dir, VID_PARAMS, &dirent) <= 0) { 182 printf(": probe failed to get mode dir.\n"); 183 goto bad; 184 } 185 186 if (nubus_get_ind_data(sc->sc_tag, sc->sc_handle, &sc->sc_slot, 187 &dirent, (caddr_t)&image_store, sizeof(struct image_data)) <= 0) { 188 printf(": probe failed to get indirect mode data.\n"); 189 goto bad; 190 } 191 192 /* Need to load display info (and driver?), etc... (?) */ 193 194 load_image_data((caddr_t)&image_store, &image); 195 196 gm = &sc->curr_mode; 197 gm->mode_id = mode; 198 gm->fbbase = (caddr_t)sc->sc_handle; /* XXX evil! */ 199 gm->fboff = image.offset; 200 gm->rowbytes = image.rowbytes; 201 gm->width = image.right - image.left; 202 gm->height = image.bottom - image.top; 203 gm->fbsize = gm->height * gm->rowbytes; 204 gm->hres = image.hRes; 205 gm->vres = image.vRes; 206 gm->ptype = image.pixelType; 207 gm->psize = image.pixelSize; 208 209 strncpy(cardname, nubus_get_card_name(sc->sc_tag, sc->sc_handle, 210 &sc->sc_slot), CARD_NAME_LEN); 211 cardname[CARD_NAME_LEN-1] = '\0'; 212 printf(": %s\n", cardname); 213 214 if (sc->card_id == NUBUS_DRHW_TFB) { 215 /* 216 * This is the Toby card, but apparently some manufacturers 217 * (like Cornerstone) didn't bother to get/use their own 218 * value here, even though the cards are different, so we 219 * so we try to differentiate here. 220 */ 221 if (strncmp(cardname, "Samsung 768", 11) == 0) 222 sc->card_id = NUBUS_DRHW_SAM768; 223 else if (strncmp(cardname, "Toby frame", 10) != 0) 224 printf("%s: This display card pretends to be a TFB!\n", 225 sc->sc_dev.dv_xname); 226 } 227 228 switch (sc->card_id) { 229 case NUBUS_DRHW_TFB: 230 case NUBUS_DRHW_M2HRVC: 231 case NUBUS_DRHW_PVC: 232 sc->cli_offset = 0xa0000; 233 sc->cli_value = 0; 234 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc); 235 break; 236 case NUBUS_DRHW_WVC: 237 sc->cli_offset = 0xa00000; 238 sc->cli_value = 0; 239 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc); 240 break; 241 case NUBUS_DRHW_COLORMAX: 242 add_nubus_intr(na->slot, grfmv_intr_cmax, sc); 243 break; 244 case NUBUS_DRHW_SE30: 245 /* Do nothing--SE/30 interrupts are disabled */ 246 break; 247 case NUBUS_DRHW_MDC: 248 sc->cli_offset = 0x200148; 249 sc->cli_value = 1; 250 add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc); 251 252 /* Enable interrupts; to disable, write 0x7 to this location */ 253 bus_space_write_4(sc->sc_tag, sc->sc_handle, 0x20013C, 5); 254 break; 255 case NUBUS_DRHW_CB264: 256 add_nubus_intr(na->slot, grfmv_intr_cb264, sc); 257 break; 258 case NUBUS_DRHW_CB364: 259 add_nubus_intr(na->slot, grfmv_intr_cb364, sc); 260 break; 261 case NUBUS_DRHW_RPC8: 262 sc->cli_offset = 0xfdff8f; 263 sc->cli_value = 0xff; 264 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc); 265 break; 266 case NUBUS_DRHW_RPC8XJ: 267 add_nubus_intr(na->slot, grfmv_intr_radius, sc); 268 break; 269 case NUBUS_DRHW_FIILX: 270 case NUBUS_DRHW_FIISXDSP: 271 case NUBUS_DRHW_FUTURASX: 272 sc->cli_offset = 0xf05000; 273 sc->cli_value = 0x80; 274 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc); 275 break; 276 case NUBUS_DRHW_SAM768: 277 add_nubus_intr(na->slot, grfmv_intr_cti, sc); 278 break; 279 case NUBUS_DRHW_SUPRGFX: 280 add_nubus_intr(na->slot, grfmv_intr_supermacgfx, sc); 281 break; 282 case NUBUS_DRHW_SPECTRM8: 283 sc->cli_offset = 0x0de178; 284 sc->cli_value = 0x80; 285 add_nubus_intr(na->slot, grfmv_intr_generic_or4, sc); 286 break; 287 case NUBUS_DRHW_LAPIS: 288 add_nubus_intr(na->slot, grfmv_intr_lapis, sc); 289 break; 290 case NUBUS_DRHW_MICRON: 291 /* What do we know about this one? */ 292 default: 293 printf("%s: Unknown video card ID 0x%x --", 294 sc->sc_dev.dv_xname, sc->card_id); 295 printf(" Not installing interrupt routine.\n"); 296 break; 297 } 298 299 /* Perform common video attachment. */ 300 grf_establish(sc, &sc->sc_slot, grfmv_mode, grfmv_phys); 301 } 302 303 static int 304 grfmv_mode(gp, cmd, arg) 305 struct grf_softc *gp; 306 int cmd; 307 void *arg; 308 { 309 switch (cmd) { 310 case GM_GRFON: 311 case GM_GRFOFF: 312 return 0; 313 case GM_CURRMODE: 314 break; 315 case GM_NEWMODE: 316 break; 317 case GM_LISTMODES: 318 break; 319 } 320 return EINVAL; 321 } 322 323 static caddr_t 324 grfmv_phys(gp) 325 struct grf_softc *gp; 326 { 327 return (caddr_t)NUBUS_SLOT2PA(gp->sc_slot->slot); 328 } 329 330 /* Interrupt handlers... */ 331 /* 332 * Generic routine to clear interrupts for cards where it simply takes 333 * a MOV.B to clear the interrupt. The offset and value of this byte 334 * varies between cards. 335 */ 336 /*ARGSUSED*/ 337 static void 338 grfmv_intr_generic_write1(vsc, slot) 339 void *vsc; 340 int slot; 341 { 342 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 343 344 bus_space_write_1(sc->sc_tag, sc->sc_handle, 345 sc->cli_offset, (u_int8_t)sc->cli_value); 346 } 347 348 /* 349 * Generic routine to clear interrupts for cards where it simply takes 350 * a MOV.L to clear the interrupt. The offset and value of this byte 351 * varies between cards. 352 */ 353 /*ARGSUSED*/ 354 static void 355 grfmv_intr_generic_write4(vsc, slot) 356 void *vsc; 357 int slot; 358 { 359 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 360 361 bus_space_write_4(sc->sc_tag, sc->sc_handle, 362 sc->cli_offset, sc->cli_value); 363 } 364 365 /* 366 * Generic routine to clear interrupts for cards where it simply takes 367 * an OR.L to clear the interrupt. The offset and value of this byte 368 * varies between cards. 369 */ 370 /*ARGSUSED*/ 371 static void 372 grfmv_intr_generic_or4(vsc, slot) 373 void *vsc; 374 int slot; 375 { 376 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 377 unsigned long scratch; 378 379 scratch = bus_space_read_4(sc->sc_tag, sc->sc_handle, sc->cli_offset); 380 scratch |= 0x80; 381 bus_space_write_4(sc->sc_tag, sc->sc_handle, sc->cli_offset, scratch); 382 } 383 384 /* 385 * Routine to clear interrupts for the Radius PrecisionColor 8xj card. 386 */ 387 /*ARGSUSED*/ 388 static void 389 grfmv_intr_radius(vsc, slot) 390 void *vsc; 391 int slot; 392 { 393 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 394 u_int8_t c; 395 396 /* 397 * The value 0x66 was the observed value on one card. It is read 398 * from the driver's information block, so this may not be sufficient. 399 * Then again, we're not setting up any other interrupts... 400 */ 401 c = 0x66; 402 403 c |= 0x80; 404 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c); 405 c &= 0x7f; 406 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c); 407 } 408 409 /* 410 * Routine to clear interrupts on Samsung 768x1006 video controller. 411 * This controller was manufactured by Cornerstone Technology, Inc., 412 * now known as Cornerstone Imaging. 413 * 414 * To clear this interrupt, we apparently have to set, then clear, 415 * bit 2 at byte offset 0x80000 from the card's base. 416 * Information for this provided by Brad Salai <bsalai (at) servtech.com> 417 */ 418 /*ARGSUSED*/ 419 static void 420 grfmv_intr_cti(vsc, slot) 421 void *vsc; 422 int slot; 423 { 424 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 425 u_int8_t c; 426 427 c = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0x80000); 428 c |= 0x02; 429 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c); 430 c &= 0xfd; 431 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c); 432 } 433 434 /*ARGSUSED*/ 435 static void 436 grfmv_intr_cb264(vsc, slot) 437 void *vsc; 438 int slot; 439 { 440 struct grfbus_softc *sc; 441 volatile char *slotbase; 442 443 sc = (struct grfbus_softc *)vsc; 444 slotbase = (volatile char *)sc->sc_handle; /* XXX evil hack */ 445 asm volatile(" movl %0,a0 446 movl a0@(0xff6028),d0 447 andl #0x2,d0 448 beq _mv_intr0 449 movql #0x3,d0 450 _mv_intr0: 451 movl a0@(0xff600c),d1 452 andl #0x3,d1 453 cmpl d1,d0 454 beq _mv_intr_fin 455 movl d0,a0@(0xff600c) 456 nop 457 tstb d0 458 beq _mv_intr1 459 movl #0x0002,a0@(0xff6040) 460 movl #0x0102,a0@(0xff6044) 461 movl #0x0105,a0@(0xff6048) 462 movl #0x000e,a0@(0xff604c) 463 movl #0x001c,a0@(0xff6050) 464 movl #0x00bc,a0@(0xff6054) 465 movl #0x00c3,a0@(0xff6058) 466 movl #0x0061,a0@(0xff605c) 467 movl #0x0012,a0@(0xff6060) 468 bra _mv_intr_fin 469 _mv_intr1: 470 movl #0x0002,a0@(0xff6040) 471 movl #0x0209,a0@(0xff6044) 472 movl #0x020c,a0@(0xff6048) 473 movl #0x000f,a0@(0xff604c) 474 movl #0x0027,a0@(0xff6050) 475 movl #0x00c7,a0@(0xff6054) 476 movl #0x00d7,a0@(0xff6058) 477 movl #0x006b,a0@(0xff605c) 478 movl #0x0029,a0@(0xff6060) 479 _mv_intr_fin: 480 movl #0x1,a0@(0xff6014)" 481 : : "g" (slotbase) : "a0","d0","d1"); 482 } 483 484 /* 485 * Support for the Colorboard 364 might be more complex than it needs to 486 * be. If we can find more information about this card, this might be 487 * significantly simplified. Contributions welcome... :-) 488 */ 489 /*ARGSUSED*/ 490 static void 491 grfmv_intr_cb364(vsc, slot) 492 void *vsc; 493 int slot; 494 { 495 struct grfbus_softc *sc; 496 volatile char *slotbase; 497 498 sc = (struct grfbus_softc *)vsc; 499 slotbase = (volatile char *)sc->sc_handle; /* XXX evil hack */ 500 asm volatile(" movl %0,a0 501 movl a0@(0xfe6028),d0 502 andl #0x2,d0 503 beq _cb364_intr4 504 movql #0x3,d0 505 movl a0@(0xfe6018),d1 506 movl #0x3,a0@(0xfe6018) 507 movw a0@(0xfe7010),d2 508 movl d1,a0@(0xfe6018) 509 movl a0@(0xfe6020),d1 510 btst #0x06,d2 511 beq _cb364_intr0 512 btst #0x00,d1 513 beq _cb364_intr5 514 bsr _cb364_intr1 515 bra _cb364_intr_out 516 _cb364_intr0: 517 btst #0x00,d1 518 bne _cb364_intr5 519 bsr _cb364_intr1 520 bra _cb364_intr_out 521 _cb364_intr1: 522 movl d0,a0@(0xfe600c) 523 nop 524 tstb d0 525 beq _cb364_intr3 526 movl #0x0002,a0@(0xfe6040) 527 movl #0x0105,a0@(0xfe6048) 528 movl #0x000e,a0@(0xfe604c) 529 movl #0x00c3,a0@(0xfe6058) 530 movl #0x0061,a0@(0xfe605c) 531 btst #0x06,d2 532 beq _cb364_intr2 533 movl #0x001c,a0@(0xfe6050) 534 movl #0x00bc,a0@(0xfe6054) 535 movl #0x0012,a0@(0xfe6060) 536 movl #0x000e,a0@(0xfe6044) 537 movl #0x00c3,a0@(0xfe6064) 538 movl #0x0061,a0@(0xfe6020) 539 rts 540 _cb364_intr2: 541 movl #0x0016,a0@(0xfe6050) 542 movl #0x00b6,a0@(0xfe6054) 543 movl #0x0011,a0@(0xfe6060) 544 movl #0x0101,a0@(0xfe6044) 545 movl #0x00bf,a0@(0xfe6064) 546 movl #0x0001,a0@(0xfe6020) 547 rts 548 _cb364_intr3: 549 movl #0x0002,a0@(0xfe6040) 550 movl #0x0209,a0@(0xfe6044) 551 movl #0x020c,a0@(0xfe6048) 552 movl #0x000f,a0@(0xfe604c) 553 movl #0x0027,a0@(0xfe6050) 554 movl #0x00c7,a0@(0xfe6054) 555 movl #0x00d7,a0@(0xfe6058) 556 movl #0x006b,a0@(0xfe605c) 557 movl #0x0029,a0@(0xfe6060) 558 oril #0x0040,a0@(0xfe6064) 559 movl #0x0000,a0@(0xfe6020) 560 rts 561 _cb364_intr4: 562 movq #0x00,d0 563 _cb364_intr5: 564 movl a0@(0xfe600c),d1 565 andl #0x3,d1 566 cmpl d1,d0 567 beq _cb364_intr_out 568 bsr _cb364_intr1 569 _cb364_intr_out: 570 movl #0x1,a0@(0xfe6014) 571 _cb364_intr_quit: 572 " : : "g" (slotbase) : "a0","d0","d1","d2"); 573 } 574 575 /* 576 * Interrupt clearing routine for SuperMac GFX card. 577 */ 578 /*ARGSUSED*/ 579 static void 580 grfmv_intr_supermacgfx(vsc, slot) 581 void *vsc; 582 int slot; 583 { 584 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 585 u_int8_t dummy; 586 587 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xE70D3); 588 } 589 590 /* 591 * Routine to clear interrupts for the Sigma Designs ColorMax card. 592 */ 593 /*ARGSUSED*/ 594 static void 595 grfmv_intr_cmax(vsc, slot) 596 void *vsc; 597 int slot; 598 { 599 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 600 u_int32_t dummy; 601 602 dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf501c); 603 dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf5018); 604 } 605 606 /* 607 * Routine to clear interrupts for the Lapis ProColorServer 8 PDS card 608 * (for the SE/30). 609 */ 610 /*ARGSUSED*/ 611 static void 612 grfmv_intr_lapis(vsc, slot) 613 void *vsc; 614 int slot; 615 { 616 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 617 618 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x08); 619 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x0C); 620 } 621
Indexes created Wed Oct 22 13:09:56 GMT 2025